haldis/app/forms.py

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"Script for everything form related in Haldis"
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from datetime import datetime, timedelta
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from typing import Optional
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from flask import session, request
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from flask_login import current_user
from flask_wtf import FlaskForm as Form
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from wtforms import (DateTimeField, SelectField, SelectMultipleField, StringField, SubmitField,
FieldList, validators)
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from utils import euro_string
from hlds.definitions import location_definitions
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from hlds.models import Location, Dish, Choice
from models import User
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class OrderForm(Form):
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"Class which defines the form for a new Order"
# pylint: disable=R0903
courier_id = SelectField("Courier", coerce=int)
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location_id = SelectField(
"Location", coerce=str, validators=[validators.required()]
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)
starttime = DateTimeField(
"Starttime", default=datetime.now, format="%d-%m-%Y %H:%M"
)
stoptime = DateTimeField("Stoptime", format="%d-%m-%Y %H:%M")
submit_button = SubmitField("Submit")
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def populate(self) -> None:
"Fill in the options for courier for an Order"
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if current_user.is_admin():
self.courier_id.choices = [(0, None)] + [
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(u.id, u.username) for u in User.query.order_by("username")
]
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else:
self.courier_id.choices = [
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(0, None),
(current_user.id, current_user.username),
]
self.location_id.choices = [
(l.id, l.name) for l in location_definitions
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]
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if self.stoptime.data is None:
self.stoptime.data = datetime.now() + timedelta(hours=1)
class OrderItemForm(Form):
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"New Item in an Order"
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# pylint: disable=R0903
dish_id = SelectField("Dish")
comment = StringField("Comment")
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submit_button = SubmitField("Submit")
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@staticmethod
def format_price_range(price_range):
if price_range[0] == price_range[1]:
return euro_string(price_range[0])
else:
return "from {}".format(euro_string(price_range[0]))
def populate(self, location: Location) -> None:
self.dish_id.choices = [
(dish.id, (dish.name + ": " + self.format_price_range(dish.price_range())))
for dish in location.dishes
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]
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if not self.is_submitted() and self.comment.data is None:
self.comment.data = request.args.get("comment")
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class AnonOrderItemForm(OrderItemForm):
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"""
Class which defines the form for a new Item in an Order
For Users who aren't logged in
"""
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user_name = StringField("Name", validators=[validators.required()])
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def populate(self, location: Location) -> None:
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"""
Fill in all the dish options from the location and
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the name of the anon user
"""
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OrderItemForm.populate(self, location)
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if not self.is_submitted():
if self.user_name.data is None:
self.user_name.data = request.args.get("user_name")
if self.user_name.data is None:
self.user_name.data = session.get("anon_name", None)
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def validate(self) -> bool:
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"Check if the provided anon_name is not already taken"
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rv = OrderForm.validate(self)
if not rv:
return False
# check if we have a user with this name
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user = User.query.filter_by(username=self.user_name.data).first()
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if user is not None:
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self.user_name.errors.append("Name already in use")
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return False
return True